Run travis tests against go 1.10 (#1085)

.travis.yml

@@ -25,8 +25,9 @@ env:
       AUTH=false
 
 go:
-  - 1.8
-  - 1.9
+  - "1.8"
+  - "1.9"
+  - "1.10"
 
 install:
   - pip install --user cql PyYAML six